Mathematics, 27.08.2019 03:30 briashia
Suppose the number of dollars spent per week on groceries is normally distributed. if the population standard deviation is 7 dollars, what minimum sample size is needed to be 90% confident that the sample mean is within 3 dollars of the true population mean?
Answers: 3
Mathematics, 21.06.2019 20:30
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 2
Mathematics, 22.06.2019 01:00
Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?
Answers: 2
Suppose the number of dollars spent per week on groceries is normally distributed. if the population...
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